Chinese Physics C > 1991, Vol. 15 > Issue(S2): 165-171

High Spin Level Structure in¹⁵³Dy and Shape Changes in Neutron-Deficient Dy Nuclei

1 Department of Modem Applied Physics, Tsinghua University, Beijing, China;
2 Argonne National Laboratory, Argonne, Illinois 60439, U. S. A.;
3 Purdue University, West Lafayette, Indiana 47907, U. S. A;
4 Univcrsity of Notre Dame, Notre Dame, Indiana 46556, U. S. A

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High spin state in ¹⁵³Dy is studied up to 81/2 h through the in-beam γ-ray spectroscopy technique. The reaction of ¹²²Sn ( ³⁶S, 5n) is used at a beam energy of 165 MeV. Above the I=47/2 h isomeric state, complex single-particle structure is dominant along the yrast line and in its close vicinity. Nuclear shape changes of neutron deficient Dy isotopes with neutron number Nand spin Iare discussed.

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Zhu Shengjiang, Ma Wenchao, Ahmad, B. Dichter, H. Emling, R. Holzman, R. V. F. Janssens, T. L. Khoo, M. Quader, P. J. Daly, Z. Grabowski, M. Piiparinen, W. Trzaska, M. W. Drigert and U. Garg. High Spin Level Structure in ¹⁵³Dy and Shape Changes in Neutron-Deficient Dy Nuclei[J]. Chinese Physics C, 1991, 15(S2): 165-171.

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Received: 1990-07-04

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Supported by the United States Department of Energy, Nuclear Physics Division, the National Natural Science Foundation of China and the State Commission of Education.

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

High Spin Level Structure in¹⁵³Dy and Shape Changes in Neutron-Deficient Dy Nuclei

1 Department of Modem Applied Physics, Tsinghua University, Beijing, China;

2 Argonne National Laboratory, Argonne, Illinois 60439, U. S. A.;

3 Purdue University, West Lafayette, Indiana 47907, U. S. A;

4 Univcrsity of Notre Dame, Notre Dame, Indiana 46556, U. S. A

Received Date:1990-07-04

Fund Project:Supported by the United States Department of Energy, Nuclear Physics Division, the National Natural Science Foundation of China and the State Commission of Education.

Abstract:High spin state in¹⁵³Dy is studied up to 81/2 h through the in-beam γ-ray spectroscopy technique. The reaction of¹²²Sn (³⁶S, 5n) is used at a beam energy of 165 MeV. Above theI=47/2 h isomeric state, complex single-particle structure is dominant along the yrast line and in its close vicinity. Nuclear shape changes of neutron deficient Dy isotopes with neutron numberNand spinIare discussed.

High Spin Level Structure in¹⁵³Dy and Shape Changes in Neutron-Deficient Dy Nuclei

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通讯作者:陈斌, bchen63@163.com

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